156383480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{355417}}^1$

素因数の和:355439

約数の個数: 32

約数和(自身を含む): 383851440

約数和(自身を除く): 227467960

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 355417, 710834, 1421668, 1777085, 2843336, 3554170, 3909587, 7108340, 7819174, 14216680, 15638348, 19547935, 31276696, 39095870, 78191740, 156383480]

約数ペア:

[(1, 156383480), (2, 78191740), (4, 39095870), (5, 31276696), (8, 19547935), (10, 15638348), (11, 14216680), (20, 7819174), (22, 7108340), (40, 3909587), (44, 3554170), (55, 2843336), (88, 1777085), (110, 1421668), (220, 710834), (440, 355417)]